Update latest ChromeVox from upstream

chrome/third_party/chromevox/extensions/searchvox/search_tools.js

-// Copyright 2013 Google Inc. All Rights Reserved.
-
-/**
- * @fileoverview Uses ChromeVox API to access the search tools menu.
- * @author peterxiao@google.com (Peter Xiao)
- */
-
-goog.provide('cvox.SearchTool');
-
-goog.require('cvox.ChromeVox');
-goog.require('cvox.DomUtil');
-goog.require('cvox.Search');
-goog.require('cvox.SearchConstants');
-goog.require('cvox.SearchUtil');
-
-/**
- * @constructor
- */
-cvox.SearchTool = function() {
-};
-
-/**
- * Index of the current menu in focus.
- * @type {number}
- */
-cvox.SearchTool.menuIndex;
-
-/**
- * Array of menus.
- * @type {Array.<Node>}
- */
-cvox.SearchTool.menus = [];
-
-/**
- * Index of the current menu item in focus.
- * @type {number}
- */
-cvox.SearchTool.menuItemIndex;
-
-/**
- * Array of menu items for the current menu.
- * @type {Array.<Node>}
- */
-cvox.SearchTool.menuItems = [];
-
-/**
- * Id of the clear button.
- * @type {string}
- */
-cvox.SearchTool.CLEAR_ID = 'hdtb_rst';
-
-/**
- * Toggles a menu open / close by simulating a click.
- */
-cvox.SearchTool.toggleMenu = function() {
-  var menu = cvox.SearchTool.menus[cvox.SearchTool.menuIndex];
-  var menuDiv = menu.previousSibling;
-  cvox.DomUtil.clickElem(menuDiv, false, false, false);
-};
-
-/**
- * Syncs the first item in the current menu to ChromeVox.
- */
-cvox.SearchTool.syncToMenu = function() {
-  cvox.SearchTool.menuItemIndex = 0;
-  cvox.SearchTool.toggleMenu();
-  cvox.SearchTool.populateMenuItems();
-  cvox.SearchTool.syncToMenuItem();
-};
-
-/**
- * Syncs the current menu item to ChromeVox.
- */
-cvox.SearchTool.syncToMenuItem = function() {
-  var menuItem = cvox.SearchTool.menuItems[cvox.SearchTool.menuItemIndex];
-  cvox.ChromeVox.syncToNode(menuItem, true);
-};
-
-/**
- * Fills in menuItems with the current menu's items.
- */
-cvox.SearchTool.populateMenuItems = function() {
-  var menu = cvox.SearchTool.menus[cvox.SearchTool.menuIndex];
-  cvox.SearchTool.menuItems = [];
-  /* For now, we just special case on the clear button. */
-  if (menu.id !== cvox.SearchTool.CLEAR_ID) {
-    var MENU_ITEM_SELECTOR = '.hdtbItm';
-    var menuItemNodeList = menu.querySelectorAll(MENU_ITEM_SELECTOR);
-    for (var i = 0; i < menuItemNodeList.length; i++) {
-      cvox.SearchTool.menuItems.push(menuItemNodeList.item(i));
-    }
-  } else {
-    cvox.SearchTool.menuItems = [];
-    cvox.SearchTool.menuItems.push(menu);
-  }
-};
-
-/**
- * Fills in menus with the menus of the page.
- */
-cvox.SearchTool.populateMenus = function() {
-  var MENU_SELECTOR = '.hdtbU';
-  var menuDivs = document.querySelectorAll(MENU_SELECTOR);
-  for (var i = 0; i < menuDivs.length; i++) {
-    cvox.SearchTool.menus.push(menuDivs.item(i));
-  }
-
-  var clearDiv = document.getElementById(cvox.SearchTool.CLEAR_ID);
-  if (clearDiv) {
-    cvox.SearchTool.menus.push(clearDiv);
-  }
-};
-
-/**
- * Switches focus to the tools interface, giving keyboard access.
- */
-cvox.SearchTool.activateTools = function() {
-  var MENU_BAR_SELECTOR = '#hdtbMenus';
-  var menuBar = document.querySelector(MENU_BAR_SELECTOR);
-  var MENUS_OPEN_CLASS = 'hdtb-td-o';
-  menuBar.className = MENUS_OPEN_CLASS;
-
-  cvox.SearchTool.populateMenus();
-  cvox.SearchTool.menuIndex = 0;
-  cvox.SearchTool.syncToMenu();
-};
-
-/**
- * Goes to the link of the current menu item action.
- */
-cvox.SearchTool.gotoMenuItem = function() {
-  var menuItem = cvox.SearchTool.menuItems[cvox.SearchTool.menuItemIndex];
-  var LOCATION_INPUT_ID = '#lc-input';
-  var input = menuItem.querySelector(LOCATION_INPUT_ID);
-  /* Special case for setting location. */
-  if (input) {
-    input.focus();
-    return;
-  }
-
-  /* Custom Date Range. */
-  var CDR_ID = 'cdr_opt';
-  switch (menuItem.id) {
-  case cvox.SearchTool.CLEAR_ID:
-    window.location = menuItem.dataset.url;
-    break;
-  case CDR_ID:
-    var CDR_LINK_SELECTOR = '#cdrlnk';
-    var cdrLink = menuItem.querySelector(CDR_LINK_SELECTOR);
-    cvox.DomUtil.clickElem(cdrLink, false, false, false);
-    cvox.SearchTool.toggleMenu();
-    break;
-  default:
-    window.location = cvox.SearchUtil.extractURL(menuItem);
-    break;
-  }
-};
-
-/**
- * Handles key events for the tools interface.
- * @param {Event} evt Keydown event.
- * @return {boolean} True if key was handled, false otherwise.
- */
-cvox.SearchTool.keyhandler = function(evt) {
-  if (cvox.SearchUtil.isSearchWidgetActive()) {
-    return false;
-  }
-
-  switch (evt.keyCode) {
-  case cvox.SearchConstants.KeyCode.UP:
-    cvox.SearchTool.menuItemIndex = cvox.SearchUtil.subOneWrap(
-      cvox.SearchTool.menuItemIndex, cvox.SearchTool.menuItems.length);
-    cvox.SearchTool.syncToMenuItem();
-    break;
-
-  case cvox.SearchConstants.KeyCode.DOWN:
-    cvox.SearchTool.menuItemIndex = cvox.SearchUtil.addOneWrap(
-      cvox.SearchTool.menuItemIndex, cvox.SearchTool.menuItems.length);
-    cvox.SearchTool.syncToMenuItem();
-    break;
-
-  case cvox.SearchConstants.KeyCode.LEFT:
-    cvox.SearchTool.toggleMenu();
-    cvox.SearchTool.menuIndex = cvox.SearchUtil.subOneWrap(
-      cvox.SearchTool.menuIndex, cvox.SearchTool.menus.length);
-    cvox.SearchTool.syncToMenu();
-    break;
-
-  case cvox.SearchConstants.KeyCode.RIGHT:
-    cvox.SearchTool.toggleMenu();
-    cvox.SearchTool.menuIndex = cvox.SearchUtil.addOneWrap(
-      cvox.SearchTool.menuIndex, cvox.SearchTool.menus.length);
-    cvox.SearchTool.syncToMenu();
-    break;
-
-  case cvox.SearchConstants.KeyCode.ENTER:
-    cvox.SearchTool.gotoMenuItem();
-    break;
-
-  default:
-    return false;
-  }
-  evt.preventDefault();
-  evt.stopPropagation();
-  return true;
-};